The pact aims to advance research for carbon fibre recycling as well as know-how about manufacturing and automation, BMW said on Wednesday.FRANKFURT: BMW said following the death of shareholder Johanna Maria Quandt last week, voting rights equivalent to a 16.7 per cent stake in the German carmaker have been passed on to her two children.

Stefan Quandt's BMW voting stake has increased to 34.19 per cent from 17.4 per cent previously and Susanne Klatten's stake has risen to 29.3 per cent from a 12.5 per cent holding previously.